Ethylenedinitrilotetraacetic acid disodium salt dihydrate

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Description

ynonyms Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt
Description Ethylenedinitrilotetraacetic acid disodium salt dihydrate

Product Information
CAS number 6381-92-6
EC number 205-358-3
Hill Formula C₁₀H₁₄N₂Na₂O₈*2H₂O
Chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O
Molar Mass 372.24 g/mol
HS Code 2922 49 85
Structure formula Image Structure formula Image
Quality Level MQ100

Applications
Application Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.

Physicochemical Information
Melting Point 110 °C Elimination of water of crystallisation
pH value 4 – 5 (50 g/l, H₂O, 20 °C)
Bulk density 700 kg/m3
Solubility 100 g/l

Toxicological Information
LD 50 oral LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H332: Harmful if inhaled.
H373: May cause damage to organs through prolonged or repeated exposure if inhaled.
Precautionary Statement(s) P314: Get medical advice/ attention if you feel unwell.
Signal Word Warning
RTECS AH4410000
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 obviously hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols Hazard SymbolsHarmful
R Phrase R 20-48/20
Harmful by inhalation.Harmful: danger of serious damage to health by prolonged exposure through inhalation.
S Phrase S 22-36
Do not breathe dust.Wear suitable protective clothing.

Storage and Shipping Information
Storage Storage temperature: no restrictions.

Specifications
Assay (complexometric; calculated as dihydrate) 99.0 – 101.0 %
Identity (IR-spectrum) passes test
Identity (Complexation) passes test
Identity (Sodium) passes test
pH (50 g/l; water) 4.0 – 5.5
In water insoluble matter ≤ 0.003 %
Chloride (Cl) ≤ 0.004 %
Sulphate (SO₄) ≤ 0.01 %
Cyanide (CN) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Cu (Copper) ≤ 0.0001 %
Fe (Iron) ≤ 0.0005 %
Pb (Lead) ≤ 0.001 %
Nitrilotriacetic acid (HPLC) ≤ 0.05 %
Loss on drying (150 °C; 6 h) 8.7 – 11.4 %

Additional information

Pack size

250g, 1kg

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